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Allow empty object types #1228

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7 changes: 3 additions & 4 deletions spec/Section 3 -- Type System.md
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Expand Up @@ -921,8 +921,7 @@ Objects are never valid inputs.
Object types have the potential to be invalid if incorrectly defined. This set
of rules must be adhered to by every Object type in a GraphQL schema.

1. An Object type must define one or more fields.
2. For each field of an Object type:
1. For each field of an Object type:
1. The field must have a unique name within that Object type; no two fields
may share the same name.
2. The field must not have a name which begins with the characters {"\_\_"}
Expand All @@ -940,8 +939,8 @@ of rules must be adhered to by every Object type in a GraphQL schema.
1. The `@deprecated` directive must not be applied to this argument.
5. If the argument has a default value it must be compatible with
{argumentType} as per the coercion rules for that type.
3. An object type may declare that it implements one or more unique interfaces.
4. An object type must be a super-set of all interfaces it implements:
2. An object type may declare that it implements one or more unique interfaces.
3. An object type must be a super-set of all interfaces it implements:
1. Let this object type be {objectType}.
2. For each interface declared implemented as {interfaceType},
{IsValidImplementation(objectType, interfaceType)} must be {true}.
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